Apparatus for conditioning air or other gas.



B. R. ANDREWS.

APPARATUS FOR CONDITIONING AIR OR OTHER GAS. APPLICATION FILED AUG.2. I915.

1 21 4,1 M, Patented? Jan. 30,1917.

InvenTor. Bernard RAndrews,

- eague.

BERNARD R. ANDREWS, 0F NEWTON,

MASSACHUSETTS.

TUS FOR CONDITIONING AIR OR OTHER GAS.

use

Specification of Letters Patent.

Patented J an. 30 19E '3.

' Application filed August 2, 1915. Serial m. 43,066.

To all whom it may concern:

Be it known that I, BERNABDR. Amumws, a citizen of the United States, residing at Newton, county of Middlesex, State of Massachusetts, have invented an Improvement in Apparatus for Conditioning Air or other Gas, of which the following description, in connection with the accompanying drawing, is a specification, like characters on the drawing representing like parts.

This invention relates to a device for conditioning air or gas by the use of a conditioning spray, and the-objects of the invention are to provide a novel device for this purpose which is simple in construction, extremely effective in operation, in which the conditioning spray is produced automatically by the action of the air or gas current which is to be conditioned or otherwise treated, thus avoiding the use of atomizers or spray devices and the necessaryconnections and power required to operate them to produce the conditioning spray.

In carrying out my invention I employ a casing containing a body of water and having inlet and outlet openings through which the current of airor gas to be conditioned is caused to pass, and I provide means within the casing which forms with the top surface of the water a more or less constricted passage or throat through which the current of air is forced, the delivery end of said' throat or passage being constructed to present a progressively increasing cross-sectional area. I find that with this arrangement the movementof a current of air through the constricted passage or throat and the divergingdelivery end'thereof will create a conditioning spray which is delivered into the air current.

In order to give an understanding of my invention I have illustrated in the drawings aselected embodiment thereof which will now be described, after which the novel features will be pointed out in the appended claim.

Figure 1 is a vertical sectional view of an air-washing device embodying my inven tion; Fig. 2 is a section on the line 2-2, Fi 1.

l indicates a casing of suitable proportions which is adapted to contain a body of water 2 and which is provided with an inlet opening 3 and with an outlet opening 42, said openings being situated above the water level so as to per 't air to pass through the casing above the water therein. Any suitable means may be provided for causing the air current to pass through the casing 1. In the device shown in the drawings I have illustrated forthis purpose a rotary suction fan 5 which communicates with the outlet or discharge opening 4 and is provided with the tangential discharge 6, said fan bemg operated from a belt pulley 7. Any other device for causing an air current to pass through the casing 1 may be employed, however, without departing from the invenion.

' Situated within the casing above the water 2 therein and extending from one side to the other is a member 8 which forms with the top surface of the water '2 a comparatively narrow throat 9 communicating with the inlet opening 3. The comparativelynarrow throat 9 leads into the diverging passage 11 through which the air is delivered from the throat 9, said diverging passage being constricted by the space between the top surface of the water and the upwardly-inclined member 12 which extends across from one side to the other of the caslng. When the fan 5is operated a current of air is drawn in through the inlet 3 through the constricted throat 9 and through the diverging discharge end 11 thereof into the casing and the movement of the air current through this passage will create a conditioning spray which is delivered into the air current. It will be noted that one side of the passage including the narrow throat 9 and the diverging space 11 is formed by the top surface of the water, and this is important in producing the desired results. The passage through which the air current is drawn including the constricted throat 9 and diverging discharge end 11 is somewhat analogous both in structure and operation to the well-known Venturi tube. When the air current is being drawn through this passage the static pressure of the air will be less in the constricted portion of the passage than at the inlet port 3 or in the diverging Y scrub or cleanse the latter.

eliminator plates herein shown are provided with the curved flange 15 at their delivery is to be used in-connection with an airwashing device, then I will provide a plurality of eliminator plates 14 which extend from the top to the bottom of the casing and; over which the conditioned air is compelled to pass, said plates acting in the usual manher to remove the moisture from the air and Some of the end which assists in catching the air and fa I cilitates the washing or scrubbing process.

The device is extremely simple in its construction, but is nevertheless effective in op eration. An advantage of the invention is that the only power necessary to condition the air is that required to create the air current, the latter operating automatically to produce the conditioning spray without the expenditure of additional power for this purpose.

While I have illustrated a selected embodiment of my invention, which is suflicient to give an understanding thereof, yet I do not wish to be limited to the constructional features shown.

Iclaim:. j In a device of the class described, the com- 'bination with a casing containing water, of

means forming with the top surfaceof the .water anfair passage which presents a.narrow throat having a diverging discharge end, and means to cause a current of air to pass through said passage whereby the difference in'the static pressure' of the'air at the constricted portion of said passage and f at the diverging end thereof causes a conditioning spray to be developed from the water" beneath the constricted portion of the passage, which conditioning spray is delivered to'the air current.

In testimony whereof, I have signed my name to this specification. Y

[BERNARD R. ANDREWS. 

